I configured ADC Channel 9 on STM32L4-Nuceo board its working but If change the ADC channel to 10 Or 13 its not working.Please find the below ADC Configuration.
/* Definition for ADCx clock resources */
#define ADCx ADC1
#define ADCx_CLK_ENABLE() __HAL_RCC_ADC_CLK_ENABLE()
#define ADCx_CHANNEL_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define ADCx_FORCE_RESET() __HAL_RCC_ADC_FORCE_RESET()
#define ADCx_RELEASE_RESET() __HAL_RCC_ADC_RELEASE_RESET()
/* Definition for ADCx Channel Pin */
#define ADCx_CHANNEL_PIN GPIO_PIN_4
#define ADCx_CHANNEL_GPIO_PORT GPIOA
/* Definition for ADCx's Channel */
#define ADCx_CHANNEL ADC_CHANNEL_VBAT//ADC_CHANNEL_9
#define SAMPLINGTIME ADC_SAMPLETIME_6CYCLES_5
void ADC_Config(void)
{
AdcHandle.Instance = ADCx;
if (HAL_ADC_DeInit(&AdcHandle) != HAL_OK)
{
/* ADC de-initialization Error */
Error_Handler();
}
AdcHandle.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1; /* Asynchronous clock mode, input ADC clock not divided */
AdcHandle.Init.Resolution = ADC_RESOLUTION_12B; /* 12-bit resolution for converted data */
AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT; /* Right-alignment for converted data */
AdcHandle.Init.ScanConvMode = DISABLE; /* Sequencer disabled (ADC conversion on only 1 channel: channel set on rank 1) */
AdcHandle.Init.EOCSelection = ADC_EOC_SINGLE_CONV; /* EOC flag picked-up to indicate conversion end */
AdcHandle.Init.LowPowerAutoWait = DISABLE; /* Auto-delayed conversion feature disabled */
AdcHandle.Init.ContinuousConvMode = DISABLE; /* Continuous mode disabled to have only 1 conversion at each conversion trig */
AdcHandle.Init.NbrOfConversion = 1; /* Parameter discarded because sequencer is disabled */
AdcHandle.Init.DiscontinuousConvMode = DISABLE; /* Parameter discarded because sequencer is disabled */
AdcHandle.Init.NbrOfDiscConversion = 1; /* Parameter discarded because sequencer is disabled */
AdcHandle.Init.ExternalTrigConv = ADC_SOFTWARE_START; /* Software start to trig the 1st conversion manually, without external event */
AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; /* Parameter discarded because software trigger chosen */
AdcHandle.Init.DMAContinuousRequests = DISABLE; /* DMA one-shot mode selected (not applied to this example) */
AdcHandle.Init.Overrun = ADC_OVR_DATA_OVERWRITTEN; /* DR register is overwritten with the last conversion result in case of overrun */
AdcHandle.Init.OversamplingMode = DISABLE; /* No oversampling */
if (HAL_ADC_Init(&AdcHandle) != HAL_OK)
{
/* ADC initialization Error */
Error_Handler();
}
/*##-2- Configure ADC regular channel ######################################*/
sConfig.Channel = ADCx_CHANNEL; /* Sampled channel number */
sConfig.Rank = ADC_REGULAR_RANK_1; /* Rank of sampled channel number ADCx_CHANNEL */
sConfig.SamplingTime = ADC_SAMPLETIME_6CYCLES_5; /* Sampling time (number of clock cycles unit) */
sConfig.SingleDiff = ADC_SINGLE_ENDED; /* Single-ended input channel */
sConfig.OffsetNumber = ADC_OFFSET_NONE; /* No offset subtraction */
sConfig.Offset = 0; /* Parameter discarded because offset correction is disabled */
}
// ADC_Enable(&AdcHandle);
if (HAL_ADC_ConfigChannel(&AdcHandle, &sConfig) != HAL_OK)
{
/* Channel Configuration Error */
Error_Handler();
}
/* Run the ADC calibration in single-ended mode */
if (HAL_ADCEx_Calibration_Start(&AdcHandle, ADC_SINGLE_ENDED) != HAL_OK)
{
/* Calibration Error */
Error_Handler();
}
/*##-3- Start the conversion process #######################################*/
if (HAL_ADC_Start(&AdcHandle) != HAL_OK)
{
/* Start Conversation Error */
Error_Handler();
}
/*##-4- Wait for the end of conversion #####################################*/
/* For simplicity reasons, this example is just waiting till the end of the
conversion, but application may perform other tasks while conversion
operation is ongoing. */
if (HAL_ADC_PollForConversion(&AdcHandle, 10) != HAL_OK)
{
/* End Of Conversion flag not set on time */
Error_Handler();
}
else
{
/* ADC conversion completed */
/*##-5- Get the converted value of regular channel ########################*/
uhADCxConvertedValue = HAL_ADC_GetValue(&AdcHandle);
}
